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101 lines
3.2 KiB
Java
101 lines
3.2 KiB
Java
/* DragSourceAdapter.java -- drag-and-drop listener adapter
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Copyright (C) 2002, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt.dnd;
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/**
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* This class implements <code>DropTargetListener</code>, and implements all methods
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* with empty bodies. This allows a listener interested in implementing only
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* a subset of these interfaces to extend this class and override only the
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* desired methods.
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*
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* @author Michael Koch (konqueror@gmx.de)
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* @since 1.4
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* @status updated to 1.4
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*/
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public abstract class DropTargetAdapter
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implements DropTargetListener
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{
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/**
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* Default constructor.
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*/
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public DropTargetAdapter()
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{
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}
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/**
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* Called when the cursor hotspot enters a drop site which will accept the
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* drag.
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*
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* @param e the event
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*/
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public void dragEnter (DropTargetDragEvent e)
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{
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}
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/**
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* Called when the cursor hotspot moves inside of a drop site which will
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* accept the drag.
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*
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* @param e the event
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*/
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public void dragOver (DropTargetDragEvent e)
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{
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}
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/**
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* Called when the user modifies the drop gesture. This is often the case
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* when additional mouse or key events are received during the drag.
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*
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* @param e the event
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*/
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public void dropActionChanged (DropTargetDragEvent e)
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{
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}
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/**
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* Called when the cursor hotspot moves outside of a drop site which will
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* accept the drag. This could also happen if the drop site is no longer
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* active, or no longer accepts the drag.
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*
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* @param e the event
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*/
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public void dragExit(DropTargetEvent e)
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{
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}
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} // class DropTargetAdapter
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